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Premium Pipe Fittings &
Couplings Manufacturer

Over 30 years of excellence in manufacturing malleable iron, stainless steel, and carbon steel pipe fittings. ISO-certified production with 4000+ tons annual output. Trusted by global partners.

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About SDH Fittings

Located in the malleable iron zone of Shijiazhuang City, China, SDH Fittings has been a leading manufacturer of high-quality pipe fittings for over 30 years. We specialize in malleable iron, stainless steel, and carbon steel products that meet British, American (ASTM), and DIN standards.

As the first manufacturer in our region to use electric furnaces for iron melting, we ensure precise material composition and consistent quality across all our products. Our “SDH” and “GE” branded galvanized and black malleable iron pipe fittings are recognized for their durability, precision, and superior finish.

12,000 m²
Manufacturing Area
4000T
Annual Output
200+
Employees
40+
Engineers & Professionals
SDH Fittings Factory

Our Product Range

We manufacture a comprehensive range of industrial pipe fittings, couplings, clamps, and connectors for air, gas, water, steam, and hydraulic systems. All products are precision-engineered and rigorously tested.

Air Hose Couplings EU Type

Air Hose Couplings EU Type

High-pressure air hose couplings designed for European standards. Ideal for pneumatic tools and industrial air systems.

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Air Hose Couplings US Type

Air Hose Couplings US Type

Standardized for American markets, these couplings ensure leak-free connections in high-demand environments.

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Camlock Couplings

Camlock Couplings

Quick-connect/disconnect couplings for hoses and pipes. Available in multiple materials and sizes for fluid transfer.

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Double Bolt Clamps

Double Bolt Clamps

Heavy-duty hose clamps with dual bolts for maximum strength and vibration resistance in industrial applications.

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Malleable Iron Pipe Fittings

Malleable Iron Fittings

Galvanized and black malleable iron fittings in American, British, and DIN standards. Threaded with CNC precision.

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Stainless Steel Pipe Fittings

Stainless Steel Fittings

Corrosion-resistant fittings ideal for food processing, pharmaceuticals, and marine environments.

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Fast Coupling

Fast Couplings

Quick-connect fittings with 100% air pressure tested sockets. Available in galvanized, black, and raw finishes.

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Explosion-Proof Pipe Unions

Explosion-Proof Unions

Designed for hazardous environments where spark-free operation is critical. Certified for safety compliance.

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Tube Clamps Fittings

Tube Clamps & Fittings

Secure mounting solutions for tubing systems. Durable construction for long-term reliability.

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KC Nipples

KC Nipples

Threaded connectors for pipe systems. Precision-machined for tight seals and easy installation.

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Valves

Industrial Valves

Ball valves, check valves, and control valves for fluid regulation in industrial and commercial systems.

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Electric Fittings

Electrical Conduit Fittings

Conduit bodies, connectors, and unions for electrical installations. Compliant with international safety standards.

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Why Choose SDH Fittings?

Our commitment to quality, innovation, and customer service sets us apart in the global pipe fittings industry.

30+ Years Experience

Over three decades of expertise in malleable iron casting and precision machining.

ISO-Certified Quality

Rigorous quality control and international certifications ensure product reliability.

Advanced Casting

Electric furnace melting, CNC threading, and multiple molding techniques for precision.

Global Export

Products exported to Europe, North America, Asia, and Africa with reliable logistics.

4000+
Tons Annual Output
12,000
m² Factory Area
200+
Team Members
30+
Years in Business

Frequently Asked Questions

What materials do you use for your pipe fittings?

We primarily manufacture malleable iron, carbon steel, and stainless steel fittings. We also produce electrical conduit fittings and specialized components based on customer requirements.

What standards do your products comply with?

Our products meet American (ASTM), British, and DIN standards. We can also customize products to meet specific international or customer-defined specifications.

Do you offer OEM/ODM services?

Yes, we have extensive experience in OEM and ODM manufacturing. We can develop molds and produce custom fittings based on your drawings or samples.

How do you ensure product quality?

We use electric furnaces for precise material control, CNC machines for threading, and conduct 100% air pressure testing on critical components like coupling sockets before shipment.

What is your production capacity?

We have an annual production capacity of over 4,000 tons, with a factory area of 12,000 square meters and more than 200 employees, including 40+ engineering professionals.

Get in Touch

Ready to discuss your project or request a quote? Contact us today for professional support.

86-0311-85301359
sdhsales@sdhcast.com
Nanshijiazhuang Country, Xizhaotong Town, Chang'an District, Shijiazhuang City, Hebei, China
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